1/* 2Copyright 2019 The Kubernetes Authors. 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15*/ 16 17package defaulting 18 19import ( 20 "bytes" 21 "reflect" 22 "testing" 23 24 structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema" 25 "k8s.io/apimachinery/pkg/util/json" 26) 27 28func TestDefault(t *testing.T) { 29 tests := []struct { 30 name string 31 json string 32 schema *structuralschema.Structural 33 expected string 34 }{ 35 {"empty", "null", nil, "null"}, 36 {"scalar", "4", &structuralschema.Structural{ 37 Generic: structuralschema.Generic{ 38 Default: structuralschema.JSON{"foo"}, 39 }, 40 }, "4"}, 41 {"scalar array", "[1,2]", &structuralschema.Structural{ 42 Items: &structuralschema.Structural{ 43 Generic: structuralschema.Generic{ 44 Default: structuralschema.JSON{"foo"}, 45 }, 46 }, 47 }, "[1,2]"}, 48 {"object array", `[{"a":1},{"b":1},{"c":1}]`, &structuralschema.Structural{ 49 Items: &structuralschema.Structural{ 50 Properties: map[string]structuralschema.Structural{ 51 "a": { 52 Generic: structuralschema.Generic{ 53 Default: structuralschema.JSON{"A"}, 54 }, 55 }, 56 "b": { 57 Generic: structuralschema.Generic{ 58 Default: structuralschema.JSON{"B"}, 59 }, 60 }, 61 "c": { 62 Generic: structuralschema.Generic{ 63 Default: structuralschema.JSON{"C"}, 64 }, 65 }, 66 }, 67 }, 68 }, `[{"a":1,"b":"B","c":"C"},{"a":"A","b":1,"c":"C"},{"a":"A","b":"B","c":1}]`}, 69 {"object array object", `{"array":[{"a":1},{"b":2}],"object":{"a":1},"additionalProperties":{"x":{"a":1},"y":{"b":2}}}`, &structuralschema.Structural{ 70 Properties: map[string]structuralschema.Structural{ 71 "array": { 72 Items: &structuralschema.Structural{ 73 Properties: map[string]structuralschema.Structural{ 74 "a": { 75 Generic: structuralschema.Generic{ 76 Default: structuralschema.JSON{"A"}, 77 }, 78 }, 79 "b": { 80 Generic: structuralschema.Generic{ 81 Default: structuralschema.JSON{"B"}, 82 }, 83 }, 84 }, 85 }, 86 }, 87 "object": { 88 Properties: map[string]structuralschema.Structural{ 89 "a": { 90 Generic: structuralschema.Generic{ 91 Default: structuralschema.JSON{"N"}, 92 }, 93 }, 94 "b": { 95 Generic: structuralschema.Generic{ 96 Default: structuralschema.JSON{"O"}, 97 }, 98 }, 99 }, 100 }, 101 "additionalProperties": { 102 Generic: structuralschema.Generic{ 103 AdditionalProperties: &structuralschema.StructuralOrBool{ 104 Structural: &structuralschema.Structural{ 105 Properties: map[string]structuralschema.Structural{ 106 "a": { 107 Generic: structuralschema.Generic{ 108 Default: structuralschema.JSON{"alpha"}, 109 }, 110 }, 111 "b": { 112 Generic: structuralschema.Generic{ 113 Default: structuralschema.JSON{"beta"}, 114 }, 115 }, 116 }, 117 }, 118 }, 119 }, 120 }, 121 "foo": { 122 Generic: structuralschema.Generic{ 123 Default: structuralschema.JSON{"bar"}, 124 }, 125 }, 126 }, 127 }, `{"array":[{"a":1,"b":"B"},{"a":"A","b":2}],"object":{"a":1,"b":"O"},"additionalProperties":{"x":{"a":1,"b":"beta"},"y":{"a":"alpha","b":2}},"foo":"bar"}`}, 128 {"empty and null", `[{},{"a":1},{"a":0},{"a":0.0},{"a":""},{"a":null},{"a":[]},{"a":{}}]`, &structuralschema.Structural{ 129 Items: &structuralschema.Structural{ 130 Properties: map[string]structuralschema.Structural{ 131 "a": { 132 Generic: structuralschema.Generic{ 133 Default: structuralschema.JSON{"A"}, 134 }, 135 }, 136 }, 137 }, 138 }, `[{"a":"A"},{"a":1},{"a":0},{"a":0.0},{"a":""},{"a":null},{"a":[]},{"a":{}}]`}, 139 } 140 for _, tt := range tests { 141 t.Run(tt.name, func(t *testing.T) { 142 var in interface{} 143 if err := json.Unmarshal([]byte(tt.json), &in); err != nil { 144 t.Fatal(err) 145 } 146 147 var expected interface{} 148 if err := json.Unmarshal([]byte(tt.expected), &expected); err != nil { 149 t.Fatal(err) 150 } 151 152 Default(in, tt.schema) 153 if !reflect.DeepEqual(in, expected) { 154 var buf bytes.Buffer 155 enc := json.NewEncoder(&buf) 156 enc.SetIndent("", " ") 157 err := enc.Encode(in) 158 if err != nil { 159 t.Fatalf("unexpected result mashalling error: %v", err) 160 } 161 t.Errorf("expected: %s\ngot: %s", tt.expected, buf.String()) 162 } 163 }) 164 } 165} 166